Polymeric metal oxide materials and their formation and use

Details Polymeric metal oxide materials and their formation and use Polymeric metal oxide materials and their formation and use

1995-06-07

1997-07-01

Turner, Archene

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With charge transferring layer of specified composition

428336, 428702, 349 56, C09K 1900

Patent

active

056436424

ABSTRACT:
A method of treating a metal alkoxide solution to form metal oxide prepolymer molecules therein is characterized by irradiating the solution with light energy having a wavelength selected to break the metal-alkoxy group bond in said metal alkoxide, thereby to form the metal oxide prepolymer molecules in the solution. The prepolymer is converted into polymeric metal oxide gel. The stoichiometry of the oxide is high. A gel of carbon content below 4 atomic % can be achieved by the step of decarbonizing the gel, preferably using light to produce ozone.

REFERENCES:
patent: 4623591 (1986-11-01), Pike
patent: 4680101 (1987-07-01), Darlington et al.
patent: 5057335 (1991-10-01), Hanagata et al.
patent: 5460877 (1995-10-01), Oishi et al.

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